body {
    font: 13px arial,helvetica,clean,sans-serif;
}

h1 {
    font-size:138.5%;  
}

h2 {
    font-size:123.1%; 
}
h3 {
    font-size:108%;  
}
h1,h2,h3 {
	margin:1em 0;
	font-weight:bold; 
}
